diff --git a/pym/euscan/handlers/berlios.py b/pym/euscan/handlers/berlios.py
index bbfe6e1..11471e4 100644
--- a/pym/euscan/handlers/berlios.py
+++ b/pym/euscan/handlers/berlios.py
@@ -16,7 +16,14 @@ berlios_regex = r"mirror://berlios/([^/]+)/([^/]+)"
 
 
 def can_handle(pkg, url=None):
-    return url and re.search(berlios_regex, url)
+    if not url:
+        return False
+
+    cp, ver, rev = portage.pkgsplit(pkg.cpv)
+    if ver not in url:
+        return False
+
+    return re.search(berlios_regex, url)
 
 
 def scan_url(pkg, url, options):
diff --git a/pym/euscan/handlers/google_code.py b/pym/euscan/handlers/google_code.py
index 892064f..d6c5bd1 100644
--- a/pym/euscan/handlers/google_code.py
+++ b/pym/euscan/handlers/google_code.py
@@ -14,8 +14,14 @@ package_name_regex = r"http://(.+).googlecode.com/files/.+"
 
 
 def can_handle(pkg, url=None):
-    return url and re.match(package_name_regex, url)
+    if not url:
+        return False
 
+    cp, ver, rev = portage.pkgsplit(pkg.cpv)
+    if ver not in url:
+        return False
+
+    return re.match(package_name_regex, url)
 
 def scan_url(pkg, url, options):
     output.einfo("Using Google Code handler")
diff --git a/pym/euscan/handlers/sourceforge.py b/pym/euscan/handlers/sourceforge.py
index 11563e0..0508289 100644
--- a/pym/euscan/handlers/sourceforge.py
+++ b/pym/euscan/handlers/sourceforge.py
@@ -12,7 +12,14 @@ PRIORITY = 90
 
 
 def can_handle(pkg, url=None):
-    return url and "mirror://sourceforge/" in url
+    if not url:
+        return False
+
+    cp, ver, rev = portage.pkgsplit(pkg.cpv)
+    if ver not in url:
+        return False
+
+    return "mirror://sourceforge/" in url
 
 
 def scan_url(pkg, url, options):